:root {
  --bg: #fffaf6;
  --surface: #ffffff;
  --surface-soft: #fff1ea;
  --surface-warm: #fff7f2;
  --ink: #40312e;
  --muted: #786762;
  --accent: #945f56;
  --accent-dark: #7f4f48;
  --accent-soft: #e7a399;
  --line: #ead8d1;
  --max: 1180px;
  --shadow: 0 10px 28px rgba(86, 55, 49, .055);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  color: var(--ink);
  background: linear-gradient(180deg, var(--bg) 0%, #fff 62%, var(--bg) 100%);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(255,250,246,.96);
  backdrop-filter: blur(12px);
}
.header-inner {
  width: min(calc(100% - 32px), var(--max));
  min-height: 88px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand-heart {
  width: 54px;
  height: 54px;
  flex: 0 0 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #f6d4cc;
  color: var(--accent);
  font-size: 33px;
  line-height: 1;
}
.brand-copy strong,
.brand-copy span { display: block; }
.brand-copy strong {
  font-size: clamp(20px, 1.75vw, 27px);
  line-height: 1.08;
  letter-spacing: .005em;
  white-space: nowrap;
}
.brand-copy span {
  margin-top: 3px;
  color: var(--ink);
  font-size: clamp(19px, 1.65vw, 25px);
  line-height: 1.08;
  font-weight: 850;
}

.header-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
  flex-wrap: wrap;
}
.top-btn {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--accent);
  font-size: 13px;
  font-weight: 850;
  text-decoration: none;
  white-space: nowrap;
}
.top-btn:hover { background: var(--surface-soft); }
.top-btn.lang-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: default;
}
.top-btn.sinwee { padding-left: 14px; padding-right: 14px; }

.compact-hero {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 26px 0 17px;
}
.kicker,
.series-label {
  margin: 0;
  color: #d77c72;
  font-weight: 900;
}
.compact-hero .kicker {
  font-size: clamp(19px, 1.9vw, 25px);
  letter-spacing: .035em;
}
.relationship-tabs,
.season-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}
.relationship-tabs { margin-top: 14px; }
.relationship-btn,
.season-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--accent);
  font-weight: 900;
  text-decoration: none;
}
.relationship-btn {
  min-width: 92px;
  min-height: 43px;
  padding: 8px 18px;
  font-size: 18px;
}
.relationship-btn.active,
.season-btn.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}
.relationship-btn.future,
.season-btn.future {
  cursor: default;
}

.couple-section {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 15px 0 36px;
}
.section-head { margin-bottom: 12px; }
.series-label {
  margin-bottom: 5px;
  font-size: 14px;
  letter-spacing: .045em;
}
.section-head h1 {
  margin: 0;
  font-size: clamp(25px, 2.25vw, 33px);
  line-height: 1.2;
}
.season-tabs { margin: 13px 0 14px; }
.season-btn {
  min-height: 40px;
  padding: 7px 14px;
  font-size: 14px;
}

.season-intro {
  margin-bottom: 15px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(145deg, #fff9f5, #fff1ea);
}
.season-intro .season-kicker {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}
.season-theme-large {
  margin: 0;
  color: var(--ink);
  font-size: clamp(26px, 2.65vw, 38px);
  line-height: 1.18;
  font-weight: 900;
}
.series-concept-title {
  margin: 13px 0 4px;
  color: var(--accent);
  font-size: 15px;
  font-weight: 900;
}
.season-intro p {
  margin: 0;
  color: #665451;
  font-size: 15px;
}
.season-intro p + p { margin-top: 5px; }
.ai-role { font-weight: 720; }

.episode-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px;
}
.episode-card {
  min-width: 0;
  padding: 15px 17px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: #fff;
  box-shadow: var(--shadow);
}
.episode-featured { background: linear-gradient(150deg, #fff, #fff8f4); }
.ep-no {
  color: #d77c72;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .09em;
}
.episode-title-row {
  margin-top: 3px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 9px;
}
.episode-title-row h2 {
  min-width: 0;
  margin: 0;
  font-size: clamp(18px, 1.55vw, 23px);
  line-height: 1.28;
}
.watch-btn {
  flex: 0 0 auto;
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 11px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 850;
  text-decoration: none;
  white-space: nowrap;
}
.watch-btn:hover { background: var(--accent-dark); }
.watch-btn.disabled {
  border: 1px solid #d8c3bc;
  background: #f5eeeb;
  color: #967b74;
  cursor: default;
}
.episode-core {
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px solid var(--line);
}
.episode-core strong,
.emotion-translation strong {
  display: block;
  color: var(--accent);
  font-size: 12px;
}
.episode-core p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 14px;
}
.emotion-translation {
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #f8e5df;
}
.emotion-translation p {
  margin: 3px 0 0;
  color: #59423e;
  font-size: 14px;
  font-weight: 740;
}

.site-footer {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 20px 0 34px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}
.site-footer p { margin: 4px 0; }
.site-footer a {
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
}
.site-footer a:hover { text-decoration: underline; }

/* About */
.about-main,
.terms-main {
  width: min(calc(100% - 32px), 980px);
  margin: 0 auto;
  padding: 34px 0 48px;
}
.about-hero,
.about-content,
.terms-hero {
  padding: 25px 27px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--surface-warm);
}
.about-hero h1,
.terms-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(27px, 3.6vw, 40px);
  line-height: 1.2;
}
.about-hero p,
.about-content p,
.terms-section p,
.terms-section li {
  color: #665451;
  font-size: 15px;
}
.about-hero p { margin: 8px 0 0; }
.about-content {
  margin-top: 14px;
  background: #fff;
}
.about-content h2 {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: clamp(23px, 2.7vw, 31px);
  line-height: 1.3;
}
.about-content p { margin: 0; }
.about-content p + p { margin-top: 11px; }

/* Copyright */
.terms-hero .english-title { margin: 4px 0 0; color: var(--muted); font-size: 15px; }
.rights-box {
  margin-top: 18px;
  padding: 15px 18px;
  border-left: 4px solid var(--accent);
  background: #fff;
}
.rights-box p { margin: 3px 0; }
.terms-section { padding: 23px 0; border-bottom: 1px solid var(--line); }
.terms-section h2 { margin: 0 0 9px; font-size: 20px; }
.terms-section ul { margin: 8px 0 0; padding-left: 22px; }
.terms-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 23px; }
.terms-actions a {
  min-height: 39px;
  display: inline-flex;
  align-items: center;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--accent);
  font-weight: 850;
  text-decoration: none;
}

@media (max-width: 980px) {
  .header-inner { align-items: flex-start; padding: 12px 0; }
  .header-actions { max-width: 380px; }
  .brand-copy strong { white-space: normal; }
}

@media (max-width: 760px) {
  .header-inner {
    min-height: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 9px;
    padding: 10px 0 11px;
  }
  .brand-heart { width: 45px; height: 45px; flex-basis: 45px; font-size: 28px; }
  .brand-copy strong,
  .brand-copy span { font-size: 18px; }
  .header-actions {
    max-width: none;
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: thin;
  }
  .top-btn { flex: 0 0 auto; min-height: 34px; padding: 6px 10px; font-size: 12px; }

  .compact-hero { padding-top: 20px; }
  .compact-hero .kicker { font-size: 18px; line-height: 1.35; }
  .relationship-btn { min-width: 76px; min-height: 40px; padding: 7px 14px; font-size: 17px; }
  .season-btn { font-size: 13px; }
  .season-intro { padding: 16px; }
  .season-theme-large { font-size: 28px; }
  .season-intro p { font-size: 14px; }

  .episode-grid { grid-template-columns: 1fr; gap: 9px; }
  .episode-card { padding: 14px 15px; }
  .episode-title-row { align-items: flex-start; }
  .episode-title-row h2 { font-size: 20px; }
  .watch-btn { min-height: 32px; padding: 5px 9px; font-size: 11px; }
  .episode-core p,
  .emotion-translation p { font-size: 13px; }
}

@media (max-width: 430px) {
  .header-inner,
  .compact-hero,
  .couple-section,
  .site-footer,
  .about-main,
  .terms-main { width: min(calc(100% - 20px), var(--max)); }
  .brand-copy strong,
  .brand-copy span { font-size: 16px; }
  .compact-hero .kicker { font-size: 17px; }
  .relationship-tabs { gap: 7px; }
  .relationship-btn { min-width: 68px; padding: 7px 12px; font-size: 16px; }
  .season-tabs { gap: 7px; }
  .season-btn { padding: 7px 10px; font-size: 12px; }
  .episode-title-row { flex-direction: column; gap: 7px; }
  .watch-btn { align-self: flex-start; }
  .about-hero,
  .about-content,
  .terms-hero { padding: 20px 18px; }
}